Charles while



(No Model.) y

lC. WHILE.

MEANS PORMANUFATURING HAINS.

No. 510,748. Patented Deo. 12,

NITED STATES PATENT Cerros.

CHARLES WHILE, CF BARROV-IN-FURNESS, ENGLAND.

MEANS FOR MANUFACTURING CHAINS.

`5LiEEC?121212CA'.'LI01\T forming part of Letters Patent No. 510,748, dated December 12, 1893. Applicationled February 17, `1893. Serial No. l162,710. (No model.) Patented in England October 30. 1891, No. 18,713.

.To a/ZZ whom t may concern: y

Be it known that I, CHARLES WHILE, iron and steel works manager, of Cockin Villa, Valney Road, Barrowin-Fur`ness, England, have invented a new and Improved Means for Manufacturing Chains, (for which I have obtained Letters Patent in Great Britain, No. 18,713, dated October 30, 1891,) of which the following is a full, clear, and exact description.

The object of the invention is to provide a new and useful means for manufacturing chains, whereby a chain with endless links is formed from the molten metal in a very simY ple and inexpensive manner.

The mold which forms the subject matter of this application consists ot' a divided casing or holder with seats, and recesses in the seats, and cores set inthe said seats and having non-intersecting horizontal and vertical recesses, registering with the recesses in said seats, the registering recesses of the holder and cores forming elliptical cavities for the reception of the molten metal to form the links of the chain.

Reference is to be had to the accompanying drawings forminga part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.

Figure 1 is a sectional side elevation of the improvement with one of the cores removed. Fig. 2 is a sectional plan View of the same on the line 2 2 of Fig. 1. Figs. 3, et and 5, are transverse sections of the same on the lines 3 3, 4-4 and 5,-5, respectively, of Figs. 1 and 2. Fig. 6 is an end view of the improvement. one of the cores; and Fig. 8 is a side elevation of the chain with the runners attached.

The improved mold for casting the metallic chain is provided With a holder A made in two parts A and A2, adapted to be fastened together at their ends by catches B pivoted on .pins B projecting from the part A2, the other part A being also provided with pins- B2 adapted to be engaged by the hook ends of the said catches B as plainly shown in Fig. 6.

On top of the holder A is set a runner boX C provided in its bottom C with alternately arranged ports C2 and C3 registering with pouring holes `A3 and A4 leading to the cavities A5 and A'3 respectively, each made in the shape of a link and the two cavities be- Fig. 7 is a perspective view of part of ing disposed vertically and horizontally respectively, asplainly shown inthe drawings; As illustrated in Fig. 3, the pouring hole A3 is formed in the faces of the two holder parts Aaud A2, While the pouring hole A4 is formed only in the holder part A2, as illustrated in Fig. 4.

Now, between the holder parts A and A2 are set sets of cores D, each made preferably in four parts, as plainly shown in Fig. 4, but if desired, the core may be made in two parts. Each part is provided at one end with a dovetailed offset or lug D adapted to engage a corresponding recess formed inthe top or bottom of the respective holder part A or A2, so as to hold the core parts in proper position when the holder partsA and A2 are fastened together. Each core forms part of the cavity A5 and also part of the recess A6, so that the two cavities A5 and A6, do not intersect each other as will be readily understood by reference to Figs. 2, 3 and 4. Each core may be made of metal or suitable refractory, substance, such as sand, which will give way after lthe chain is cast and thus allow freedom for the contraction of the metal during the process of cooling. When the cores are in place in the holder,'and the holder parts are secured together at their ends by the catches B and `the runner box C is placed on top of the A', A2,' are taken apart by unhooking the sand, but I find a useful and satisfactory mold IOO is had by making the Whole of the holder parts A and Agof metal, andthe cores D of metal, with the lugs D of sand,an'd the inner portions of the runners also of sand. Molds thus constructed `are very durable; in fact, almost indestructible, with the exception of the lugs D in the cores D, and the inner lining of the runner box, which parts have to be removed each time.

It is the intention to cast chains of any reasonable length by abutting or joining several molds at their ends and thus practically forming one long mold. For the purpose of joining short lengths of chain to a fresh chain it is only necessary that the end link of the chain be placed into the last cavity A5 or A6 of the mold so that the new link formed in this end recess couples to the end link of the chain previously formed.

Having thus fully described iny` invention, I claim as new and desire to secure by Letters Patent y l. A mold for casting chains, consisting of a divided holder formed with pouring holes,

seats, and recesses in the seats, andseparate cores set in thesaid holder between the said seats and having non-intersecting cavities registering with the recesses of the holder and adapted to form elliptical non-intersecting cavities with the said recesses, substantially as shown and described 2. A mold for casting' chains, consisting.,Jr of a divided holder formed with pouring holes, seats, and recesses in the seats, and separate cores made in sections and set in the said holder between the said seats, each core section being provided with recessesm registering with the recesses of the opposite section and with those of the holder, and the recesses of the holder and core sections being adapted to form together non-intersecting elliptical cavities the planes of which are at right angles to each other, substantially as shown and described. t

CHARLES WHILE. Witnesses:

`JOHN TIMMIN, J oHN HART. 

